You can rebuild just the case. Im sure you already do but it is the perfect time to install a sye kit. If you dont feel comfortable doing this you could save money but pulling the case and taking it to a transmission shop. But rebuilding it will be a whole lot cheaper and sensible in my opinion.
'93 Wrangler YJ LT1/4L60E (built up with corvette servo) MORE bomb proof weld in motor mounts, 241C Transfer Case, High Angle Drive line SYE, 8.8" explorer rear, SOA, anti-wrap perches, jks discos, MORE front shock hoops and rear shock extension, MORE steering conversion stage 2, MORE anti wrap ladder bar
'07 4-DOOR JK unlimitedX BFG Tires and JL audio system Rigid Class IV 3500lbs hitch receiver
'98 Chevy S-10 Lowered 5/6"- SOLD
'04 Subaru Imprezza
Carry On 5'x8' Utility Trailer